Portable stove



FIG. 1 is a perspective view of a portable stove, showing my new design, shown as it appears when being transported;

FIG. 2 is a perspective view thereof shown as the device appears when in use;

FIG. 3 is a first side elevational view thereof;

FIG. 4 is a second side elevational view thereof;

FIG. 5 is an elevational view of the side opposite that shown in FIG. 3;

FIG. 6 is an elevational view of the side opposite that shown in FIG. 4;

FIG. 7 is a top plan view of the device as shown in FIG. 2; and,

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a portable stove, as shown and described. 